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Round|Natural|GIA

0.30ct H I1 Round Natural Diamond

EX • H/I1 • GIA 6491898140

Certificate GIA 6491898140

Diamond specifications and retailer prices

From $223 SGD
₹16,622 INR
As of October 31, 2026
Save $1,227 SGD (85%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,450 SGD at NZ Jewellers · As of October 29, 2026
View at NZ Jewellers

About this 0.3ct natural round diamond

This 0.3ct natural round sits in the sub-half-carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6491898140. Listed at 7 retailers as of October 29, 2026, with prices from $223 to $1,450, a $1,227 spread on the same certified stone. NZ Jewellers lists it at $1,450. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.30
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6491898140
Dimensions4.29 × 4.31 × 2.64 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
4.29 mm4.31 mm0.30 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6491898140
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,450 SGD|Low: $223 SGD|High: $1,450 SGD|Avg: $493 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2$223 SGD
Retailer 6$320 SGD
Retailer 8$344 SGD
Retailer 5$345 SGD
Retailer 4$357 SGD
Retailer 7$431 SGD
Retailer 9$529 SGD
Retailer 3$630 SGD
NZ Jewellers$1,450 SGD

44 data points across 9 retailers

7 retailers$223 SGD to $1,450 SGD

A
Cheapest Retailer
-
$223 SGD
₹16,622 INR
B+
Retailer 2
-
$320 SGD
$250 USD
View
B+
Retailer 3
-
$345 SGD
$270 USD
View
B+
Retailer 4
-
$357 SGD
$279 USD
View
B+
Retailer 5
-
$431 SGD
$337 USD
View
B
Retailer 6
-
$630 SGD
€469 EUR
View
Most Expensive
B
NZ Jewellers
479587d2-e01e-4723-9006-111e41349352 · Oct 29
$1,450 SGD
$1,134 USD
View
6 more retailers have this diamond
Prices start from $223 SGDSave up to $1,227 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.30ct Round
$223 SGD